Mesozoic Time Slices
Triassic 1
Triassic 1: Induan (about 251-250 million years)
Triassic 2: Olenekian through early Anisian (about 250-244 million years)
Triassic 3: middle Anisian through Ladinian (about 244-229 million years)
Triassic 4: Carnian (about 229-217 million years)
Triassic 5: early and middle Norian (about 217-208 million years)
Triassic 6: late Norian through Rhaetian (about 208-200 million years)
Jurassic 1: Hettangian and Sinemurian (about 200-190 million years)
Jurassic 2: Pliensbachian through early Toarcian (about 190-179 million years)
Jurassic 3: Late Toarcian (about 179-176 million years)
Jurassic 4: Aalenian (about 176-172 million years)
Jurassic 5: early Bajocian (about 172-170 million years)
Jurassic 6: late Bajocian through early Callovian (about 170-164 million years)
Jurassic 7: middle Callovian through early Oxfordian (about 164-160 million years)
Jurassic 8: middle Oxfordian through Kimmeridgian (about 160-151 million years)
Jurassic 9: early Tithonian (about 151-149 million years)
Jurassic 10: middle and late Tithonian (about 149-145 million years)
Cretaceous 1: Berriasian (about 145-139 million years)
Cretaceous 2: Valanginian and Hauterivian (about 139-131 million years)
Cretaceous 3: Barremian (about 131-125 million years)
Cretaceous 4: early Aptian (about 125-121 million years)
Cretaceous 5: middle Aptian through early Albian (about 121-110 million years)
Cretaceous 6: middle Albian (about 110-106 million years)
Cretaceous 7: late Albian (about 106-100 million years)
Cretaceous 8: Cenomanian (about 100-94 million years)
Cretaceous 9: Turonian through Santonian (about 94-84 million years)
Cretaceous 10: early Campanian (about 84-76 million years)
Cretaceous 11: late Campanian through Maastrichtian (about 76-66 million years)